12 AVE S over Dearborn ST

Fair Condition109 years old22,000 vehicles/day

Location

StateWashington
CountyKing
Location12th AVE S & Dearborn ST
Carries12 AVE S
CrossesDearborn ST
Coordinates47.59583, -122.31722

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Deck
Total Length495.1 ft (150.9 m)
Max Span170.9 ft (52.1 m)
Deck Width65.0 ft (19.8 m)
Deck Area2987.8 sq m
Main Spans3
Year Built1917

Traffic

Avg Daily Traffic22,000 (2020)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number085042000000000

Nearby Bridges

I-90 Wcd Ramp over Ramps Rail City Street 0.1 mi Fair 12th AVE S over I-90 0.1 mi Fair Dearborn-n Ramp over I-5 Nbcd 0.1 mi Good I-5 Nbcd over Dearborn ST 0.1 mi Fair I-90 Westbound over Sound Transit Railroad 0.1 mi Good I-5 over Dearborn ST 0.1 mi Fair I-5 over Dearborn ST 0.2 mi Good I-5 S-e Ramp over I-5 Ramps Railroad 0.2 mi Fair I-5 Sbcd over Dearborn ST 0.2 mi Fair I-90 W-s Ramp over I-5 0.2 mi Good